Luna Innovations (LUNA) Short Interest Ratio & Short Volume $0.85 0.00 (0.00%) As of 07/11/2025 01:50 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Luna Innovations Short Interest DataLuna Innovations (LUNA) has a short interest of 355,300 shares, representing 1.13% of the float (the number of shares available for trading by the public). This marks a 1.72% increase in short interest from the previous month. The short interest ratio (days to cover) is 4.1, indicating that it would take 4.1 days of the average trading volume of 190,596 shares to cover all short positions.Current Short Interest355,300 sharesPrevious Short Interest349,300 sharesChange Vs. Previous Month+1.72%Dollar Volume Sold Short$314.44 thousandShort Interest Ratio4.1 Days to CoverLast Record DateJune 30, 2025Outstanding Shares33,959,000 sharesShort Percent of Float1.13%Today's Trading Volume10,720 sharesAverage Trading Volume190,596 sharesToday's Volume Vs. Average6% Short Selling Luna Innovations? Sign up to receive the latest short interest report for Luna Innovations and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartLUNA Short Interest Over TimeLUNA Days to Cover Over TimeLUNA Percentage of Float Shorted Over Time Luna Innovations Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/2025355,300 shares $314.44 thousand +1.7%1.1%4.1 $0.89 6/15/2025349,300 shares $261.98 thousand No Change1.1%16.2 $0.75 5/31/2025349,300 shares $174.65 thousand -7.5%1.1%15.7 $0.50 5/15/2025377,400 shares $188.70 thousand No ChangeN/A18.7 $0.50 4/30/2025377,400 shares $154.73 thousand No ChangeN/A7.1 $0.41 4/15/2025377,400 shares $218.89 thousand No ChangeN/A7.1 $0.58 3/14/2025384,900 shares $265.62 thousand -0.3%N/A12.1 $0.69 2/14/2025574,500 shares $551.52 thousand -7.8%N/A6.6 $0.96 1/31/2025623,400 shares $498.72 thousand -28.3%N/A4.8 $0.80 1/15/2025870,000 shares $870 thousand -48.1%N/A0.3 $1.00 Get the Latest News and Ratings for LUNA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Luna Innovations and its competitors with MarketBeat's FREE daily newsletter. 12/31/20241,670,000 shares $3.61 million No Change5.4%3.3 $2.16 12/15/20241,670,000 shares $2.84 million -1.2%5.3%9.8 $1.70 11/30/20241,690,000 shares $2.97 million +0.6%5.4%9.5 $1.76 11/15/20241,680,000 shares $2.74 million -10.2%5.4%9.4 $1.63 10/31/20241,870,000 shares $2.90 million -6.0%6.0%10.8 $1.55 10/15/20241,990,000 shares $2.90 million -2.0%6.4%11.1 $1.46 9/30/20242,030,000 shares $4.77 million -3.3%6.5%12 $2.35 9/15/20242,100,000 shares $4.47 million +0.5%6.7%8 $2.13 8/31/20242,090,000 shares $4.97 million -3.2%6.7%7.8 $2.38 8/15/20242,160,000 shares $5.25 million +1.9%6.9%7.1 $2.43 7/31/20242,120,000 shares $6.36 million +10.4%N/A6.4 $3.00 7/15/20241,920,000 shares $5.59 million -34.9%N/A4 $2.91 6/30/20242,950,000 shares $9.44 million -1.3%N/A5.4 $3.20 6/15/20242,990,000 shares $9.54 million -0.3%N/A5.6 $3.19 5/31/20243,000,000 shares $10.02 million +0.7%N/A4.7 $3.34 5/15/20242,980,000 shares $8.52 million -3.9%N/A4.9 $2.86 4/30/20243,100,000 shares $6.39 million +17.0%N/A5.4 $2.06 4/15/20242,650,000 shares $6.41 million +17.3%N/A6.1 $2.42 3/31/20242,260,000 shares $7.24 million +9.2%N/A6.7 $3.21 3/15/20242,070,000 shares $9.21 million +23.2%N/A7 $4.45 2/29/20241,680,000 shares $11.39 million +2.4%N/A11.7 $6.78 2/15/20241,640,000 shares $12.43 million +2.5%N/A11.2 $7.58 1/31/20241,600,000 shares $11.47 million +6.7%N/A9.3 $7.17 1/15/20241,500,000 shares $10.35 million +3.5%N/A8.3 $6.90 12/31/20231,450,000 shares $9.64 million +25.0%N/A7.6 $6.65 12/15/20231,160,000 shares $7.51 million -12.1%N/A6.2 $6.47 11/30/20231,320,000 shares $8.41 million -4.4%N/A7.3 $6.37 11/15/20231,380,000 shares $7.52 million +9.5%N/A7.8 $5.45 10/31/20231,260,000 shares $7.16 million +44.4%N/A7.7 $5.68 10/15/2023872,600 shares $5.66 million +21.3%N/A5.5 $6.49A new rule goes live in July — and the banks are quietly cashing in (Ad)A little-known regulation quietly goes into effect this July. And it's already being exploited by Wall Street and the Big Banks… It gives them the green light to treat a certain tangible asset as equivalent to cold, hard cash. Not stocks. Not real estate. And definitely not the U.S. dollar. We're talking about something they don't want you to notice — because the fewer people who act on this, the better it is for them.To help you get started, we're giving away a FREE Wealth Protection Guide that shows you exactly how 9/30/2023719,200 shares $4.21 million -1.1%N/A4.8 $5.86 9/15/2023727,100 shares $4.57 million -8.0%N/A3.2 $6.28 8/31/2023790,200 shares $5.44 million -5.9%N/A3.2 $6.89 8/15/2023840,000 shares $6.48 million +3.5%N/A3.2 $7.72 7/31/2023811,400 shares $7.34 million -8.2%N/A3.1 $9.04 7/15/2023883,700 shares $7.62 million -4.3%N/A3.3 $8.62 6/30/2023923,600 shares $8.42 million +106.8%N/A3.5 $9.12 6/15/2023446,600 shares $4.47 million +13.8%N/A1.7 $10.01 5/31/2023392,300 shares $3.62 million +32.9%N/A1.7 $9.22 5/15/2023295,100 shares $2.34 million -9.2%N/A1.3 $7.92 4/30/2023324,900 shares $2.04 million -8.8%N/A1.5 $6.28 4/15/2023356,300 shares $2.42 million -33.1%N/A1.7 $6.79 3/31/2023532,300 shares $3.83 million +21.6%N/A2.3 $7.19 3/15/2023437,700 shares $2.85 million +4.9%N/A1.6 $6.50 2/28/2023417,300 shares $4.19 million +11.2%1.3%1.9 $10.04 2/15/2023375,400 shares $3.59 million -8.6%1.2%1.8 $9.57 1/31/2023410,900 shares $3.63 million +15.4%1.3%2.2 $8.84 1/15/2023356,200 shares $3.27 million +5.3%N/A2.1 $9.17 12/30/2022338,300 shares $2.97 million +16.9%1.1%2.1 $8.79 12/15/2022289,300 shares $2.68 million -2.7%0.9%2.9 $9.28 11/30/2022297,400 shares $2.01 million +18.8%1.0%3.9 $6.76 11/15/2022250,300 shares $1.58 million -31.3%0.8%3.8 $6.33 10/31/2022364,100 shares $1.89 million +12.6%1.2%5 $5.19 10/15/2022323,300 shares $1.51 million -15.9%1.0%4 $4.67 9/30/2022384,300 shares $1.71 million +27.8%1.2%4.6 $4.44 9/15/2022300,800 shares $1.51 million +0.1%1.0%1.8 $5.01 8/31/2022300,600 shares $1.73 million -26.8%1.0%1.5 $5.75 8/15/2022410,400 shares $2.63 million +1.1%1.3%1.8 $6.42 7/31/2022405,800 shares $2.63 million -21.5%1.7%1.6 $6.47 7/15/2022516,700 shares $3.15 million -32.2%2.2%1.9 $6.09 6/30/2022761,600 shares $4.44 million -48.9%3.2%2.7 $5.83 6/15/20221,490,000 shares $8.06 million +14.6%6.2%5.3 $5.41 5/31/20221,300,000 shares $7.85 million +12.1%4.3%6.9 $6.04 5/15/20221,160,000 shares $6.24 million +3.6%3.8%6.6 $5.38 4/30/20221,120,000 shares $6.18 million +26.0%3.6%7.7 $5.52 4/15/2022888,700 shares $5.55 million -8.7%2.9%6.3 $6.24 3/31/2022973,100 shares $7.50 million +1.1%3.2%7 $7.71 3/15/2022962,400 shares $6.98 million +19.6%3.1%7 $7.25 2/28/2022804,600 shares $5.50 million -13.7%2.6%6.5 $6.83 2/15/2022932,600 shares $6.76 million +30.3%3.1%7.5 $7.25 1/31/2022715,700 shares $5.22 million +14.7%2.4%4.5 $7.29 1/15/2022624,200 shares $4.62 million -18.7%2.1%3.8 $7.40 12/31/2021768,100 shares $6.48 million -5.8%2.5%4.8 $8.44 12/15/2021815,200 shares $7.08 million +7.7%2.7%5.1 $8.68 11/30/2021757,200 shares $6.34 million -6.9%2.5%4.8 $8.37 11/15/2021813,300 shares $7.55 million -24.0%2.7%5.2 $9.28 10/29/20211,070,000 shares $10.42 million +12.7%3.5%7.8 $9.74 10/15/2021949,300 shares $8.52 million -2.9%3.2%6.9 $8.97 9/30/2021978,100 shares $9.29 million -14.2%3.3%6.8 $9.50 9/15/20211,140,000 shares $11.64 million +12.9%3.8%7.9 $10.21A new rule goes live in July — and the banks are quietly cashing in (Ad)A little-known regulation quietly goes into effect this July. And it's already being exploited by Wall Street and the Big Banks… It gives them the green light to treat a certain tangible asset as equivalent to cold, hard cash. Not stocks. Not real estate. And definitely not the U.S. dollar. We're talking about something they don't want you to notice — because the fewer people who act on this, the better it is for them.To help you get started, we're giving away a FREE Wealth Protection Guide that shows you exactly how 8/31/20211,010,000 shares $10.88 million No Change3.4%6.7 $10.77 8/13/20211,010,000 shares $11.25 million -1.0%3.4%6.7 $11.14 7/30/20211,020,000 shares $12.58 million -1.0%3.5%6 $12.33 7/15/20211,030,000 shares $10.43 million +8.7%3.7%6.6 $10.13 6/30/2021947,400 shares $10.26 million -10.6%3.4%6.4 $10.83 6/15/20211,060,000 shares $11.55 million -2.8%3.8%6.4 $10.90 5/28/20211,090,000 shares $11.06 million +10.7%3.9%6.6 $10.15 5/14/2021984,700 shares $11.06 million +1.8%3.5%5.3 $11.23 4/30/2021967,400 shares $11.27 million +4.4%3.5%5.4 $11.65 4/15/2021926,500 shares $10.55 million +20.3%3.4%4.7 $11.39 3/31/2021770,500 shares $7.90 million +0.3%2.8%3.4 $10.25 3/15/2021768,100 shares $9.24 million +3.6%2.8%3.2 $12.03 2/26/2021741,400 shares $8.85 million +7.1%2.8%2.9 $11.94 2/12/2021692,100 shares $8.17 million +15.6%2.6%2.4 $11.81 1/29/2021598,700 shares $6.51 million +8.4%2.2%2.1 $10.88 1/15/2021552,300 shares $5.87 million +33.3%2.1%2 $10.62 12/31/2020414,400 shares $3.99 million -0.2%1.5%1.7 $9.64 12/15/2020415,100 shares $3.93 million -50.0%1.5%1.7 $9.46 11/30/2020829,800 shares $8.15 million -15.1%3.1%3.7 $9.82 11/15/2020977,300 shares $7.32 million -6.0%3.6%5.2 $7.49 10/30/20201,040,000 shares $6.70 million +2.0%3.9%5.8 $6.44 10/15/20201,020,000 shares $6.66 million -7.3%3.8%5.4 $6.53 9/30/20201,100,000 shares $6.58 million -3.5%4.1%5.4 $5.98 9/15/20201,140,000 shares $7.22 million -2.6%4.2%3.8 $6.33 8/31/20201,170,000 shares $7.49 million +26.4%4.3%3.8 $6.40 8/14/2020926,000 shares $5.52 million -15.1%3.4%3 $5.96 7/31/20201,090,000 shares $6.18 million +1.9%4.0%3.1 $5.67 7/15/20201,070,000 shares $5.60 million -12.3%4.0%3.1 $5.23 LUNA Short Interest - Frequently Asked Questions What is Luna Innovations' current short interest? Short interest is the volume of Luna Innovations shares that have been sold short but have not yet been closed out or covered. As of June 30th, traders have sold 355,300 shares of LUNA short. 1.13% of Luna Innovations' shares are currently sold short. Learn More on Luna Innovations' current short interest. What is a good short interest ratio for Luna Innovations? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. LUNA shares currently have a short interest ratio of 4.0. Learn More on Luna Innovations's short interest ratio. Which institutional investors are shorting Luna Innovations? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Luna Innovations: Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Luna Innovations? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 1.13% of Luna Innovations' floating shares are currently sold short. Is Luna Innovations' short interest increasing or decreasing? Luna Innovations saw a increase in short interest during the month of June. As of June 30th, there was short interest totaling 355,300 shares, an increase of 1.7% from the previous total of 349,300 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. How does Luna Innovations' short interest compare to its competitors? 1.13% of Luna Innovations' shares are currently sold short. Here is how the short interest of companies in the industry of "business services" compare to Luna Innovations: Skillz Inc. (14.37%), Vacasa, Inc. (6.03%), FiscalNote Holdings, Inc. (11.66%), Altisource Portfolio Solutions S.A. (2.76%), Bragg Gaming Group Inc. (0.98%), Bridger Aerospace Group Holdings, Inc. (2.62%), Research Solutions Inc. (0.11%), PSQ Holdings, Inc. (14.62%), DLH Holdings Corp. (0.81%), Mastech Digital, Inc. (0.97%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks. What does it mean to sell short Luna Innovations stock? Short selling LUNA is an investing strategy that aims to generate trading profit from Luna Innovations as its price is falling. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Luna Innovations? A short squeeze for Luna Innovations occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of LUNA, which in turn drives the price of the stock up even further. How often is Luna Innovations' short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including LUNA, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies SKLZ Short Interest Data VCSA Short Interest Data NOTE Short Interest Data ASPS Short Interest Data BRAG Short Interest Data BAER Short Interest Data RSSS Short Interest Data PSQH Short Interest Data DLHC Short Interest Data MHH Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:LUNA) was last updated on 7/13/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredThis Signal Only Flashes Once Every 4 Years – And It Just TriggeredThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. 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